band theory of solid

例句：

1. 1. The bandtheory of solid is a fundamental concept inthe study of materials science.
   固体的带理论是材料科学研究的基础概念。
2. 2. The bandtheory of solid has been widely applied tothe analysis of crystalline structures.
   固体的带理论已被广泛应用于晶体结构的分析中。
3. 3. Inthe band theory of solid, electronsare arranged in bands that span across thecrystal lattice.
   在固体的带理论中，电子被安排在横跨晶体晶格的带中。